Lintelly HR Deutschland

Is Lintelly HR Deutschland MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• All 38 of its tools are labeled read-only.
• Overall it scored 95/100 on 30 Oct 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

38 tools, in the server's own words.

and 14 more

Test results

Safe mode: only tools labeled read-only were run. How the test works

• !
  Ready for the newest MCP version

  1 warning

  • !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
  note
• !
  Follows MCP best practices (not scored yet)

  1 tip (not scored)

  • !The tool list is about 101 KB (roughly 25k tokens). AI apps send it with every message, so it takes that much of the AI's memory before any work starts.
  note
• ✓
  ConnectsConnected in 1.2 s
  pass
• ✓
  Lists its toolsFound 38 tools
  pass
• ✓
  Every tool is describedAll 38 tools and their inputs are described
  pass
• ✓
  Tools are labeled safe or dangerousEvery tool has a safety label
  pass
• ✓
  No hidden instructionsNo hidden instructions found in tool descriptions
  pass
• ✓
  Tools work with good inputs

  All good

  • ✓ablauf: Answered with an error, probably because of our sample input: {"fehler":["Für ablauf mit art erste_einstellung fehlt: datum. datum bedeutet hier: erster Arbeitstag."]}
  • ✓workflow_vorlage: Worked (154 ms)
  • ✓kuendigungsfrist_rechnen: Worked (157 ms)
  • ✓klagefrist: Worked (157 ms)
  • ✓probezeit: Worked (162 ms)
  • ✓befristung: Worked (156 ms)
  • ✓elternzeit_fristen: Worked (158 ms)
  • ✓mutterschutz: Answered with an error, probably because of our sample input: {"fehler":["Es fehlt der errechnete Entbindungstermin."]}
  • and 30 more
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓ablauf: Refused missing required input "art" with a clear error
  • ✓ablauf: Refused wrong type for "art" with a clear error
  • ✓workflow_vorlage: Refused wrong type for "kennung" with a clear error
  • ✓kuendigungsfrist_rechnen: Refused missing required input "eintritt" with a clear error
  • ✓kuendigungsfrist_rechnen: Refused wrong type for "eintritt" with a clear error
  • ✓klagefrist: Refused missing required input "zugang" with a clear error
  • ✓klagefrist: Refused wrong type for "zugang" with a clear error
  • ✓probezeit: Refused missing required input "beginn" with a clear error
  • and 32 more
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 1.2 s
  • ✓Listing tools took 611 ms
  • ✓Average tool answer: 159 ms
  • ✓ablauf: Slowest tool: ablauf (217 ms)
  pass
• ✓
  No secrets leakedChecked 77 error messages: no secrets or internal details
  pass
• ✓
  Resources and prompts work

  All good (11 resources, 4 prompts)

  • ✓Opened 10 of 10 resources (a sample of 10 of 11)
  • ✓An address that does not exist gets a clean "not found" error
  • ✓Opened 4 of 4 prompts
  pass
• –
  Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
  not tested

Test it yourself

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Score over time

• 30 Oct 202695

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Lintelly HR Deutschland, signed in with GitHub, one per person. Reviews never change the score.